# -*- coding: utf-8 -*-
#
#  Copyright (C) 2011 by Ihor E. Novikov
#
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU Affero General Public License
#  as published by the Free Software Foundation, either version 3
#  of the License, or (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU Affero General Public License
#  along with this program.  If not, see <https://www.gnu.org/licenses/>.

import os
from uc2 import uc2const
from uc2.utils import generate_id
from uc2.formats.pdxf import const
from uc2.formats.pdxf import methods

from uc2.formats.pdxf.pdxf_cms import PDXF_ColorManager
from uc2.formats.pdxf.methods import PDXF_Methods
from uc2.formats.pdxf.pdxf_config import PDXF_Config
from uc2.formats.pdxf.pdxf_filters import PDXF_Loader, PDXF_Saver
from uc2.formats.generic import TaggedModelPresenter
from uc2.formats.pdxf.resmngr import ResourceManager


class PDXF_Presenter(TaggedModelPresenter):
    cid = uc2const.PDXF

    methods = None
    cms = None

    def __init__(self, appdata, cnf={}, filepath=None):
        self.config = PDXF_Config()
        config_file = os.path.join(appdata.app_config_dir, 'pdxf_config.xml')
        self.config.load(config_file)
        self.config.update(cnf)
        self.appdata = appdata
        self.doc_id = generate_id()
        self.loader = PDXF_Loader()
        self.saver = PDXF_Saver()
        self.methods = PDXF_Methods(self)
        self.rm = ResourceManager(self)
        self.create_cache_structure()
        if filepath is None:
            self.new()
        else:
            self.load(filepath)

    def create_cache_structure(self):
        doc_cache_dir = os.path.join(self.appdata.app_config_dir, 'docs_cache')
        self.doc_dir = os.path.join(doc_cache_dir, 'doc_' + self.doc_id)
        for dir in const.DOC_STRUCTURE:
            path = os.path.join(self.doc_dir, dir)
            os.makedirs(path)
        mime = open(os.path.join(self.doc_dir, 'mimetype'), 'wb')
        mime.write(const.DOC_MIME)
        mime.close()

    def init_cms(self):
        self.cms = PDXF_ColorManager(self)

    def new(self):
        self.model = methods.create_new_doc(self.config)
        self.update()

    def merge(self):
        pass

    def update(self, action=False):
        self.init_cms()
        TaggedModelPresenter.update(self, action)
        if not self.model is None:
            self.methods.update()
